Apple Spice Cake with Cream Cheese Frosting

Ingredients

• 4 medium Honeycrisp apples, peeled and cut into 1-inch pieces (about 1-1/2 pounds)
• 2 cups sugar
• 1/2 cup canola oil
• 2 large eggs, room temperature
• 2 teaspoons vanilla extract
• 2 cups all-purpose flour
• 1 tablespoon pumpkin pie spice
• 2 teaspoons baking powder
• 1 teaspoon salt
• 1/2 cup buttermilk
• 1-1/2 cups chopped walnuts, toasted
• FROSTING:
• 1 package (8 ounces) cream cheese, softened
• 1/2 cup butter, softened
• 1 cup confectioners' sugar
• 1 cup packed brown sugar
• 1-1/2 teaspoons vanilla extract
• 1 teaspoon pumpkin pie spice